Sheikh Justan of Gilan

Sheikh Justan of Gilan (745-) was a noble of the Abbasid Caliphate.

Biography
Justan was born in 745 to the Justanids, a dynasty of Zoroastrian Kurds. He became the sheikh of Gilan in present-day Iran under the Abbasid Caliphate, and he was hostile to Caliph al-Mansur due to religious differences.